BIO 101 Exam #1 Questions With 100% Correct Answers 2025/2026

BIO 101 Exam #1 Questions With 100% Correct Answers 2025/2026 What is Biology? - answer-Study of life; encompasses everything -biomolecular biology and technology have brought around a new era for biology What are the major characteristics of Life? - answer-1) reproduction (DNA (deoxyribose nucleic acid); double helix shape; stores genetic info) 2) cellular repsiration (used to creat energy) (metabolism; need it to perform basic functions of life; food (carbs, proteins, lipids/fats, vitamins/minerals) 3) adaptation/evolve (over large periods of times traits of organizations) modified 4) growth and development (DNA lays out the "plan") 5) organization (very specific; organization of organs/structure) 6) cells (basic building blocks of life; need only one to be considered living) 7) respond (response to stimuli (light, touch, heat, etc.); need in order to survive) What is a cell? - answer-- basic building blocks of life - not always apparent; first seen with a microscope - cells were discovered by Hook in 1655 - first cells discovered were from cork - theory wasn't generally accepted due to the challenge of trying to convince people of this drastic change What is cell theory? - answer-- proposed in 1800's - lowest level of structure perfoms all chracteristics of life - arise from previously existing cells